2015 LL21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7161007000
Semi-major axis (a)2.1899782000 AU
Inclination (i)6.97545000°
Long. of Asc. Node (Ω)111.22906000°
Arg. of Perihelion (ω)56.58571000°
Mean Anomaly (M)102.35652000°
Mean Motion (n)0.3041195900°/day
Perihelion dist (q)0.62173330 AU
Aphelion dist (Q)3.75822310 AU
Orbital Period3.24085560 yr
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty6
Orbit TypeApollo
MOID0.052775 AU
Observations Used63
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-06-26
Observations (63)
Date Type RA Dec Mag Band Observatory
2015-05-26 08:09:50 S 21 59 21.86 +08 31 28.1 L C51
2015-05-26 11:18:53 S 21 58 22.37 +08 22 26.4 L C51
2015-05-26 12:53:19 S 21 57 52.70 +08 17 55.4 L C51
2015-06-12 08:12:05 C 20 10 37.05 -08 16 43.5 q G96
2015-06-12 08:16:29 C 20 10 36.04 -08 16 51.9 q G96
2015-06-12 08:20:55 C 20 10 35.05 -08 17 00.6 q G96
2015-06-12 08:25:19 C 20 10 34.04 -08 17 09.1 q G96
2015-06-12 09:36:38 C 20 10 17.89 -08 19 26.0 q I52
2015-06-12 09:37:15 C 20 10 17.72 -08 19 27.2 q I52
2015-06-12 09:37:51 C 20 10 17.58 -08 19 28.4 q I52
2015-06-12 09:38:28 C 20 10 17.47 -08 19 29.6 q I52
2015-06-12 09:42:27 C 20 10 16.55 -08 19 37.5 q I52
2015-06-12 09:44:05 C 20 10 16.19 -08 19 39.8 q I52
2015-06-12 09:45:42 C 20 10 15.81 -08 19 42.9 q I52
2015-06-12 11:19:53 C 20 09 54.49 -08 22 43.5 q G96
2015-06-12 11:20:21 C 20 09 54.35 -08 22 44.0 q G96
2015-06-12 11:20:49 C 20 09 54.24 -08 22 45.2 q G96
2015-06-12 11:21:17 C 20 09 54.14 -08 22 46.0 q G96
2015-06-13 05:48:50 C 20 05 56.16 -08 57 29.1 q G48
2015-06-13 05:53:50 C 20 05 55.12 -08 57 38.5 q G48
2015-06-13 05:58:52 C 20 05 54.00 -08 57 48.1 q G48
2015-06-13 06:28:03 C 20 05 46.72 -08 58 13.3 u 807
2015-06-13 06:31:35 C 20 05 45.93 -08 58 19.8 u 807
2015-06-13 06:35:17 C 20 05 45.10 -08 58 26.7 u 807
2015-06-13 06:38:38 C 20 05 44.37 -08 58 32.9 u 807
2015-06-13 06:42:19 C 20 05 43.56 -08 58 39.9 u 807
2015-06-13 07:14:41 C 20 05 37.49 -09 00 09.0 o 926
2015-06-13 07:24:10 C 20 05 35.43 -09 00 26.9 o 926
2015-06-13 07:31:42 C 20 05 33.72 -09 00 40.3 o 926
2015-06-13 08:08:09 C 20 05 25.70 -09 01 48.6 o 291
2015-06-13 08:09:25 C 20 05 25.41 -09 01 50.9 o 291
2015-06-13 08:10:41 C 20 05 25.14 -09 01 53.3 o 291
2015-06-13 08:48:59 C 20 05 16.64 -09 03 04.8 q I52
2015-06-13 08:49:36 C 20 05 16.52 -09 03 06.0 q I52
2015-06-13 08:50:13 C 20 05 16.36 -09 03 07.1 q I52
2015-06-13 08:50:50 C 20 05 16.24 -09 03 08.1 q I52
2015-06-14 05:10:53 C 20 00 58.50 -09 39 33.6 u 807
2015-06-14 05:16:10 C 20 00 57.36 -09 39 43.0 u 807
2015-06-14 05:21:32 C 20 00 56.20 -09 39 52.8 u 807
2015-06-14 06:56:13 C 20 00 36.80 -09 43 10.5 o 926
2015-06-14 07:03:37 C 20 00 35.21 -09 43 23.9 o 926
2015-06-14 07:12:00 C 20 00 33.40 -09 43 38.6 o 926
2015-06-14 08:08:16 C 20 00 21.35 -09 45 19.6 q I52
2015-06-14 08:08:52 C 20 00 21.19 -09 45 21.1 q I52
2015-06-14 08:09:30 C 20 00 21.03 -09 45 22.1 q I52
2015-06-14 08:10:07 C 20 00 20.90 -09 45 23.3 q I52
2015-06-15 00:37:29 C 19 56 56.79 -10 14 19.2 q 958
2015-06-15 00:46:09 C 19 56 54.96 -10 14 34.2 q 958
2015-06-15 00:54:50 C 19 56 53.16 -10 14 49.3 q 958
2015-06-15 08:52:09 C 19 55 15.74 -10 28 24.7 q I52